Enabled python3 in data/zipcode-textdic.py
Released 1.5.5

Fixed IOError in print sys.stderr when the parent process exits.
Added python3.
Launched an error dialog when .anthy/last-record2_default.utf8 is broken.
Enabled python3 in data/zipcode-textdic.py
Fixed deprecated GtkHBox, GtkVBox and GtkStock since GTK+ 3.10.
Updated translations.